PT-2026-22619 · Chamilo+1 · Chamilo Lms

Published 2026-03-02 · Updated 2026-03-02 · CVE-2025-52476

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Chamilo versions prior to 1.11.30

Description Reflected cross-site scripting (XSS) occurs due to improper sanitization of the keyword active parameter in the 'admin/user list.php' endpoint. XSS is a flaw that allows an attacker to inject malicious scripts into web pages viewed by other users.

Recommendations Update to version 1.11.30. As a temporary workaround, restrict access to the 'admin/user list.php' endpoint or avoid using the keyword active parameter.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-52476

GHSA-PQJC-RVR9-W8M2

Affected Products

Chamilo Lms

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52476.json · Exploit
• https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-pqjc-rvr9-w8m2 · Vendor Advisory
• https://github.com/chamilo/chamilo-lms/commit/349062d31533d464feea78d41996bc0857f90f61 · Patch
• https://osv.dev/vulnerability/CVE-2025-52476 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52476 · Security Note
• https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 · Note